Wheelchair frame



FIG. 1 is a front perspective view of a wheelchair frame of the new design;

FIG. 2 is a front elevational view of the wheelchair frame of FIG. 1;

FIG. 3 is a rear elevational view of the wheelchair frame of FIG. 1;

FIG. 4 is a right side elevational view of the wheelchair frame of FIG. 1;

FIG. 5 is a left side elevational view of the wheelchair frame of FIG. 1;

FIG. 6 is a top plan view of the wheelchair frame of FIG. 1; and,

FIG. 7 is a bottom plan view of the wheelchair frame of FIG. 1.

The portions of the Figures shown in broken lines are for illustrative purpose only and form no part of the claimed design. 

CLAIM The ornamental design for a wheelchair frame, as shown and described. 